René Joseph Grignart de Champsavoy
- Born on July 1, 1763
- Deceased on August 5, 1787, at the age of 24 years
Parents
- Joseph-Marie Grignart de Champsavoy, alias le Comte de Champsavoy (1722 - 1803), chevalier, comte de Brullon, page de la grande écurie du Roi
- Renée Louise Milon de Bellevue